21G Micro Mini Digital Servo of Metal Gears with 25T Servo Horn for 1/14 1/16 RC Crawler Car Upgrade Servo Parts Model Boat Airplane Robot (1PC)

Compact 21g digital servo with metal gears for 1/14 & 1/16 RC crawlers - 1pc
✔️ 21g micro digital servo, metal gears, 25T horn, IP66 waterproof

The 21G micro mini digital servo, engineered with metal gears, is built for tiny RC platforms, including 1/14 and 1/16 scale crawlers, boats, planes, and robots. This single-unit upgrade comes with a 25T metal horn for quick, plug‑and‑play installation.

✅ 21g micro digital servo with full metal gears for long-lasting performance
✅ 25T metal servo horn included for accurate linkage alignment
✅ IP66 waterproof rating for reliable operation in wet or dusty environments
✅ ABS shell for fast heat dissipation and rugged protection
✅ Compact, lightweight design suited for 1/14 and 1/16 scale RC builds

💡 What is a common use for a small digital servo in RC hobby projects?

Handy for compact steering and control arms where space is tight.

• In micro crawlers, it provides accurate steering with limited space
• In tiny airplanes or boats, it delivers fast, smooth motion
• Metal gears extend life under load and reduce backlash
• IP66 waterproofing keeps performance reliable in damp settings